EcdysteroneTestosteroneHypogonadismTestisAndrogensSex Hormone-Binding GlobulinTestosterone PropionateLuteinizing HormoneOrchiectomyDrosophila melanogasterDihydrotestosteroneEstradiolGonadal Steroid HormonesFollicle Stimulating HormoneHeat-Shock ProteinsVasospasm, IntracranialOxyhemoglobinsAndrostenedioneCastrationDehydroepiandrosterone SulfateOrgan SizeSpermatogenesisGonadotropin-Releasing HormoneLibidoEpitestosteroneSexual MaturationVirilismFlutamideReceptors, AndrogenHormone Replacement TherapyHot TemperatureHirsutismSperm CountSexual Behavior, AnimalSex Characteristics3-Oxo-5-alpha-Steroid 4-DehydrogenaseTestosterone CongenersGenitalia, Male17-alpha-HydroxyprogesteroneLeydig CellsDehydroepiandrosteroneProstateAndrogen AntagonistsRadioimmunoassayPolycystic Ovary SyndromeChorionic GonadotropinLeuprolideHyperandrogenismAromataseDrug Implants17-Hydroxysteroid DehydrogenasesHormonesSteroidsAgingGonadotropinsSeminiferous TubulesAndropauseSeminal VesiclesProgesteroneSertoli CellsErectile DysfunctionGonadotropins, PituitaryReproductionGene Expression RegulationCryptorchidism3-Hydroxysteroid DehydrogenasesProlactinCholestenone 5 alpha-ReductaseKineticsAdministration, CutaneousSteroid 17-alpha-HydroxylaseEpididymisComb and WattlesContraceptive Agents, MaleInhibinsPaternal BehaviorPituitary GlandEstrogensEstroneTerritorialityAgonistic BehaviorDibutyl PhthalateNandrolonePubertyBody WeightKlinefelter SyndromeSeasonsTranscription, GeneticInfertility, Male